第五节 肿瘤对机体的影响
...素类物质,如促肾上腺皮质激素(ACTH)、甲状旁腺素(PTH)、胰岛素、抗利尿激素(ADH)、人绒毛膜促性腺激素(HCG)、促甲状腺激素(TSH)、生长激素(GH)、降钙素(calcitonin)等十余种,可引起内分泌紊乱的临床症状。此类肿...
医源资料库;医源图书馆;教材类;病理学治疗骨质疏松的中药研究进展
...素(CT)、l,25-二羟基一维生素D3(1,25(OH)2D3)、甲状旁腺素(PTH)、白细胞介素6(IL-6)、白细胞介素1(IL-1)、转化生长因子-β(TGF-β)、肿瘤坏死因子(TNF)等。从分子生化水平观察中药对这些激素及细胞因子的影响,有利于更深层次地揭示中...
合作平台;医学论文;中西医结合论文;药物与临床Proteinandcalcium:antagonistsorsynergists?
...iscreated,towhichtheparathyroidglandsrespondwithelevatedparathyroidhormone(PTH)secretion.PTHinturnactson3endorgans:bone,gut,andkidney.Theguteffectismediatedbyincreasedrenalsynthesisof1,25-dihydroxyvitaminD,whichinturnleadstoimprovedcalciumabsorption.Atthesametime,PTHenhancesboneresorption,sothatsome...
医源资料库;在线期刊;美国临床营养学杂志;2002年75卷第4期Dietaryproteinandintestinalcalciumabsorption
...thesamechanges:abruptandlargeincreasesinallmeasuresoftheparathyroidhormone(PTH)-1--hydroxylaseaxis(2,5).Thus,forexample,inouroriginalstudy,inwhich16youngwomenconsumed0.7gprotein/kg,weobservedthefollowingchangesinthePTH-1--hydroxylaseaxis(3).SerumPTHincreased2.7-fold,from14.1±0.4(day0)to37.7...
医源资料库;在线期刊;美国临床营养学杂志;2001年73卷第5期GenomicandproteomicapproachesforprobingtheroleofvitaminDinhealth
...hichisinturnasignalfortheincreasedproductionandreleaseofparathyroidhormone(PTH).Amongitsfunctions,PTHstimulatesrenal1-hydroxylaseactivity,leadingtoincreasedconversionof25-hydroxyvitaminD3[25(OH)D3]to1,25-dihydroxyvitaminD3[1,25(OH)2D3].Elevatedserum1,25(OH)2D3concentrationsthenstimulatetheexpression...
医源资料库;在线期刊;美国临床营养学杂志;2004年80卷第6期ReducedVitaminDinAcuteStroke
...nergyx-rayabsorptiometryscansofbothhips(LunarProdigy)andparathyroidhormone(PTH)measurementswereperformed.TheZscoresweretestedagainstahypothesizedmeanZscoreof0usingStudentttest.Theprotocolwasapprovedbythelocalethicscommittee.StudyPopulations,StrokeTypes,andFunctionalScalesResultsThemeanZscoreof25OHDf...
医源资料库;在线期刊;中风学杂志;2006年第37卷第1期门脉高压性结肠病36例
...升高[5],NO已被认为是引起血管扩张、高动力性循环及PTH的关键介质。(5)腹水形成后,腹内压增高,可加重PHT和PHC,因此大量放腹水治疗可降低门脉压力。 PHC可引起消化道出血、消化不良、感染,值得重视。PHC主要是PHT引...
医源资料库;在线期刊;中华现代内科学杂志;2006年第3卷第9期钙制剂钙含量的计算与合理应用
...的吸收并使血钙浓度升高,反馈性地减少甲状旁腺激素(PTH)的释放而降低骨转化率;补钙联合补充锰、铜、锌等微量元素效果更好;钙制剂与雌激素联合用药比单独补钙效果好。为了安全、有效地使用钙剂,药品生产厂家应在药...
合作平台;在线期刊;中华实用医药杂志;2004年第4卷第9期;药物临床PerinatalmetabolismofvitaminD
...Decreasedcirculatingconcentrationsofcalciumincreaseserumparathyroidhormone(PTH)synthesisandsecretion,whichinturnstimulatestherenalhydroxylationof25-hydroxyvitaminDto1,25-dihydroxyvitaminD.Highconcentrationsofthismetabolitemayinhibitthehydroxylationof25-hydroxyvitaminDandthesecretionofPTH.1,25-Dihydr...
医源资料库;在线期刊;美国临床营养学杂志;2000年71卷第5期IndianhedgehogstimulatesperiarticularchondrocytedifferentiationtoregulategrowthplatelengthindependentlyofPTHrP
...ntiateintopostmitotichypertrophicchondrocytes.Parathyroidhormone–related(PTH-related)protein(PTHrP),regulatedbyIndianhedgehog(Ihh),preventsprematurehypertrophicdifferentiation,therebymaintainingthelengthofcolumns.IhhregulatescartilagedevelopmentthroughPTHrP-independentpathwaysaswell.Hereweshowthat...
医源资料库;在线期刊;临床研究杂志;2005年第115卷第7期